Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917953 | Method of forming solid lubricaitng film on ceramic material and product produced by the same | Tatsumi Hioki, Jun Kawamoto | 1990-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917953 | Method of forming solid lubricaitng film on ceramic material and product produced by the same | Tatsumi Hioki, Jun Kawamoto | 1990-04-17 |